Specifications

2–28 Chapter 2: Board Components
General User Input/Output
Stratix V GX FPGA Development Board October 2014 Altera Corporation
Reference Manual
User-Defined LEDs
The development board includes general and HSMC user-defined LEDs. This section
describes all user-defined LEDs. For information on board specific or status LEDs,
refer to“Status Elements” on page 2–18.
General User-Defined LEDs
Board references D7 through D10 and D18 through D21 are eight bi-color user LEDs
which allow status and debugging signals to be driven to the LEDs from the designs
loaded into the Stratix V GX FPGA device. These bi-color LEDs are in red and green,
which combines to a total of 16 unique user LEDs. The LEDs illuminate when a logic 0
is driven, and turns off when a logic 1 is driven. There is no board-specific function for
these LEDs.
Table 2–30 lists the user-defined LED schematic signal names and their corresponding
Stratix V GX FPGA pin numbers.
Table 2–31 lists the user-defined LED component reference and the manufacturing
information.
Table 2–30. User-Defined LED Schematic Signal Names and Functions
Board Reference
Schematic
Signal Name
I/O Standard
Stratix V GX FPGA Device
Pin Number
Description
D21.3
USER_LED_G0 2.5-V J11
User-Defined LEDs.
Driving a logic 0 on the I/O
port turns the LED ON. Driving
a logic 1 on the I/O port turns
the LED OFF.
D20.3
USER_LED_G1 2.5-V U10
D19.3
USER_LED_G2 2.5-V U9
D18.3
USER_LED_G3 1.8-V AU24
D10.3
USER_LED_G4 2.5-V AF28
D9.3
USER_LED_G5 2.5-V AE29
D8.3
USER_LED_G6 1.8-V AR7
D7.3
USER_LED_G7 2.5-V AV10
D21.4
USER_LED_R0 2.5-V AH28
D20.4
USER_LED_R1 2.5-V AG30
D19.4
USER_LED_R2 1.8-V AL7
D18.4
USER_LED_R3 1.8-V AR24
D10.4
USER_LED_R4 1.8-V AM7
D9.4
USER_LED_R5 1.8-V AW7
D8.4
USER_LED_R6 1.8-V AL23
D7.4
USER_LED_R7 1.8-V AV7
Table 2–31. User-Defined LED Component Reference and Manufacturing Information
Board Reference Device Description Manufacturer
Manufacturer
Part Number
Manufacturer
Website
D7-D10, D18-D21
Bi-color green/red LEDs,
0606, SMT, Clear Lens,
2.1/2.0 V
Lite-On, Inc. LTST-C195GEKT www.us.liteon.com